Mobile cooler



FIG. 1 is a front elevational view of my new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a mobile cooler, as shown and described.